Ventilator



FIG. 1 is a perspective view taken from the front, bottom and right sideof the ventilator of my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a supplemental perspective view thereof showing the openingsopened and adjusted to face different directions.

The ornamental design for a ventilator, as shown.